E X P E D I T I O N

Navigation and yacht racing solutions

Weather

Important note

Whilst racing, weather data or services such as routing that are not free of charge or easily available to all boats are not allowed by Rule 41(c) (outside help) of the RRS. See Case 120 in the Case book. However, Case 120 clarifies that rule 41c may be changed for any particular race by the notice of race and sailing instructions.

Expedition integrated weather & oceanographic data

Free

Saildocs - GFS, WW3, NOGAPS, COAMPS & RTOFS
Designed to satisfy Rule 41(c)

DWD - ICON Europe
GLERL - Great Lakes winds & currents
MailASail - GFS
NOAA - High resolution GFS, GEFS, NAM, RTOFS etc
Norwegian weather office - High resolution models
OpenSkiron & OpenGrib - High resolution models
Windria - Global and regional high resolution models

Bundesamt für Seeschifffahrt und Hydrographie - Baltic & North Sea tidal currents
Global marine networks - HYCOM currents

Subscription

Great Circle - Many global & regional models. As used by the Volvo Ocean Race.

Ocens - GFS, NMG, WW3, HYCOM and RTOFS
PredictWind - High resolution models
Theyr - Global and high resolution models

Proudman - UK, North Sea, Mediterranean & Arabian Gulf tidal currents
SHOM - Tidal currents for the French coast
Tidetech - Global ocean & tidal tidal currents
Winning Tides - Solent (UK) tidal currents

Free weather & oceanographic grib data

DWD - OpenData, COSMO & ICON Global & Europe
ECMWF, reanalysis & ERA Interim
Environment Canada - GEM Global & North America
Meteo France - Arpege & Arome Global & Europe
MeteoConsult - Europe
NCAR/UCAR Research data archive
NOAA, RTOFS, WW3, Reanalysis, Degrib
SailFlow or SailFlow - GFS, NAM & WRAMS
Sailing Weather Service - SWS, NAM and GFS
UCAR AMPS - Antarctic Mesoscale Prediction, incl NZ
Weather365 - ETA Europe

Hong Kong tidal stream data
OSI Sea ice concentration

Subscription grib data

BOM - Australia
Frivind
Grib.io
gribfiles.com
Norwegian weather office
Previmeteo - WRF user selectable modelling
Sailtactics - San Francisco & The Solent
WetterWelt GmbH

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